diff --git a/prism/src/hybrid/PrismHybrid.cc b/prism/src/hybrid/PrismHybrid.cc
index f2535829..649dfe96 100644
--- a/prism/src/hybrid/PrismHybrid.cc
+++ b/prism/src/hybrid/PrismHybrid.cc
@@ -198,7 +198,7 @@ void PH_SetErrorMessage(const char *str, ...)
 	va_list argptr;
 	
 	va_start(argptr, str);
-	vsnprintf(error_message, MAX_LOG_STRING_LEN, str, argptr);
+	vsnprintf(error_message, MAX_ERR_STRING_LEN, str, argptr);
 	va_end(argptr);
 }
 
diff --git a/prism/src/mtbdd/PrismMTBDD.cc b/prism/src/mtbdd/PrismMTBDD.cc
index c9de1aa3..2529d545 100644
--- a/prism/src/mtbdd/PrismMTBDD.cc
+++ b/prism/src/mtbdd/PrismMTBDD.cc
@@ -222,7 +222,7 @@ void PM_SetErrorMessage(const char *str, ...)
 	va_list argptr;
 	
 	va_start(argptr, str);
-	vsnprintf(error_message, MAX_LOG_STRING_LEN, str, argptr);
+	vsnprintf(error_message, MAX_ERR_STRING_LEN, str, argptr);
 	va_end(argptr);
 }
 
diff --git a/prism/src/sparse/PrismSparse.cc b/prism/src/sparse/PrismSparse.cc
index 3d11d2dc..feb8759f 100644
--- a/prism/src/sparse/PrismSparse.cc
+++ b/prism/src/sparse/PrismSparse.cc
@@ -255,7 +255,7 @@ void PS_SetErrorMessage(const char *str, ...)
 	va_list argptr;
 	
 	va_start(argptr, str);
-	vsnprintf(error_message, MAX_LOG_STRING_LEN, str, argptr);
+	vsnprintf(error_message, MAX_ERR_STRING_LEN, str, argptr);
 	va_end(argptr);
 }