diff --git a/src/interfaces/ecpg/ecpglib/connect.c b/src/interfaces/ecpg/ecpglib/connect.c
index cf625f96a34c64789470e3962d63c05c1d844fe8..b54b1f5503626abae63b984f74c3bd1164bc19a0 100644
--- a/src/interfaces/ecpg/ecpglib/connect.c
+++ b/src/interfaces/ecpg/ecpglib/connect.c
@@ -519,6 +519,10 @@ ECPGconnect(int lineno, int c, const char *name, const char *user, const char *p
 			ecpg_free(realname);
 		if (dbname)
 			ecpg_free(dbname);
+		if (conn_keywords)
+			ecpg_free(conn_keywords);
+		if (conn_values)
+			ecpg_free(conn_values);
 		free(this);
 		return false;
 	}
diff --git a/src/interfaces/ecpg/ecpglib/execute.c b/src/interfaces/ecpg/ecpglib/execute.c
index 311bc5cbc50a7ade16d5f7052a101811a9a86b8c..50a2d95347edc4a656e7db2a1191e292052feff1 100644
--- a/src/interfaces/ecpg/ecpglib/execute.c
+++ b/src/interfaces/ecpg/ecpglib/execute.c
@@ -1776,6 +1776,7 @@ ECPGdo(const int lineno, const int compat, const int force_indicator, const char
 		{
 			setlocale(LC_NUMERIC, oldlocale);
 			ecpg_free(oldlocale);
+			free_statement(stmt);
 			va_end(args);
 			return (false);
 		}
@@ -1807,6 +1808,7 @@ ECPGdo(const int lineno, const int compat, const int force_indicator, const char
 			ecpg_raise(lineno, ECPG_INVALID_STMT, ECPG_SQLSTATE_INVALID_SQL_STATEMENT_NAME, stmt->command);
 			setlocale(LC_NUMERIC, oldlocale);
 			ecpg_free(oldlocale);
+			free_statement(stmt);
 			va_end(args);
 			return (false);
 		}