AmberTools/src/mdgx/ChargeFit.c  | 4 ++--
 AmberTools/src/nab/cgen.c        | 2 +-
 AmberTools/src/nab/traceback.c   | 2 +-
 AmberTools/src/ptraj/cluster.c   | 2 +-
 AmberTools/src/ptraj/interface.c | 6 +++---
 AmberTools/src/semantics/parse.c | 2 +-
 6 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/AmberTools/src/mdgx/ChargeFit.c b/AmberTools/src/mdgx/ChargeFit.c
index fccf5d0..fe4afac 100644
--- a/AmberTools/src/mdgx/ChargeFit.c
+++ b/AmberTools/src/mdgx/ChargeFit.c
@@ -77,9 +77,9 @@ static void AssignGridTopologies(fset *myfit, prmtop *tp)
   }
   for (i = 0; i < myfit->ngrd; i++) {
     if (myfit->tpname.map[i][0] == '\0') {
-      sprintf(myfit->tpname.map[i], tp->source);
+      sprintf(myfit->tpname.map[i], "%s", tp->source);
       if (myfit->eprule.map[i][0] == '\0' && tp->eprulesource[0] != '\0') {
-	sprintf(myfit->eprule.map[i], tp->eprulesource);
+	sprintf(myfit->eprule.map[i], "%s", tp->eprulesource);
       }
     }
   }
diff --git a/AmberTools/src/nab/cgen.c b/AmberTools/src/nab/cgen.c
index 6254d44..e206879 100644
--- a/AmberTools/src/nab/cgen.c
+++ b/AmberTools/src/nab/cgen.c
@@ -1642,7 +1642,7 @@ static	char	*CG_gentype( char *csp, NODE_T *npt )
 		strcpy( csp, tname );
 		csp += strlen( csp );
 	}else
-		fprintf( cg_cfp, tname );
+		fprintf( cg_cfp, "%s", tname );
 	needspace = TRUE;
 	return( csp );
 }
diff --git a/AmberTools/src/nab/traceback.c b/AmberTools/src/nab/traceback.c
index f916474..e376552 100644
--- a/AmberTools/src/nab/traceback.c
+++ b/AmberTools/src/nab/traceback.c
@@ -6,7 +6,7 @@
 int	rt_errormsg( int fatal, char msg[] )
 {
 
-	fprintf( stderr, msg );
+	fprintf( stderr, "%s", msg );
 	if( fatal )
 		exit( 1 );
 	return(0);
diff --git a/AmberTools/src/ptraj/cluster.c b/AmberTools/src/ptraj/cluster.c
index 2cb60f0..5e0f33d 100644
--- a/AmberTools/src/ptraj/cluster.c
+++ b/AmberTools/src/ptraj/cluster.c
@@ -1240,7 +1240,7 @@ void ClusteringMergeNames(PtrajClustering* This, ClusterNode* MergeNodeA, Cluste
   {
     return;
   }
-  sprintf(Temp, ClusterB->Name);
+  sprintf(Temp, "%s", ClusterB->Name);
   sprintf(ClusterB->Name, "(%s,%s)", ClusterA->Name, Temp);
 
 }
diff --git a/AmberTools/src/ptraj/interface.c b/AmberTools/src/ptraj/interface.c
index 4087fa7..1ee4273 100644
--- a/AmberTools/src/ptraj/interface.c
+++ b/AmberTools/src/ptraj/interface.c
@@ -97,8 +97,8 @@ interface(interfaceMode mode, char *filename)
 
     tokenlist = (Token *) &rdparmTokenlist;
 
-    fprintf(stdout, rdparm_header);
-    fprintf(stdout, rdparm_prompt);
+    fprintf(stdout, "%s", rdparm_header);
+    fprintf(stdout, "%s", rdparm_prompt);
     while (1) {
 
       fflush(stdout);
@@ -112,7 +112,7 @@ interface(interfaceMode mode, char *filename)
 
       }
     
-      fprintf(stdout, rdparm_prompt);
+      fprintf(stdout, "%s", rdparm_prompt);
     }
   }
 }
diff --git a/AmberTools/src/semantics/parse.c b/AmberTools/src/semantics/parse.c
index 55c724c..68f23da 100644
--- a/AmberTools/src/semantics/parse.c
+++ b/AmberTools/src/semantics/parse.c
@@ -2039,7 +2039,7 @@ int	n_tab;
 DEF_T	tab[];	
 {
 
-	fprintf( fp, oval );
+	fprintf( fp, "%s", oval );
 		
 }