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-rw-r--r--libcrystfel/src/hdf5-file.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libcrystfel/src/hdf5-file.c b/libcrystfel/src/hdf5-file.c
index d6f25729..a7430fb2 100644
--- a/libcrystfel/src/hdf5-file.c
+++ b/libcrystfel/src/hdf5-file.c
@@ -1236,7 +1236,9 @@ int hdfile_get_value(struct hdfile *f, const char *name, struct event *ev,
for ( i=0; i<ndims; i++ ) {
if ( size[i] == 1 ) continue;
- if ( ( i==0 ) && (ev != NULL) && (size[i] > ev->dim_entries[0]) ) {
+ if ( ( i==0 ) && (ev != NULL) && (ev->dim_length > 0)
+ && (size[i] > ev->dim_entries[0]) )
+ {
dim_flag = 1;
} else {
H5Tclose(type);