diff --git a/src/PBasic.cpp b/src/PBasic.cpp
index 592619f20..f0923558c 100644
--- a/src/PBasic.cpp
+++ b/src/PBasic.cpp
@@ -3247,6 +3247,7 @@ factor(struct LOC_exec * LINK)
 		char* min_name = strexpr(LINK);
 		require(tokrp, LINK);
 		if (parse_all) {
+			PhreeqcPtr->PHRQ_free(min_name);
 			n.UU.val = 1;
 			break;
 		}
@@ -3419,6 +3420,7 @@ factor(struct LOC_exec * LINK)
 		char* min_name = strexpr(LINK);
 		require(tokrp, LINK);
 		if (parse_all) {
+			PhreeqcPtr->PHRQ_free(min_name);
 			n.UU.val = 1;
 			break;
 		}
@@ -3574,6 +3576,7 @@ factor(struct LOC_exec * LINK)
 		char* min_name = strexpr(LINK);
 		require(tokrp, LINK);
 		if (parse_all) {
+			PhreeqcPtr->PHRQ_free(min_name);
 			n.UU.val = 1;
 			break;
 		}